<template>
  <div>
    <div style="background: #fff; width: 600px; margin: 60px auto; padding: 20px 50px;">
      <!-- 标题文字 -->
      <h1 style="text-align: center; margin: 30px auto;">管理员登录</h1>
      <!-- 登录表单 -->
      <el-form :model="ruleForm" :rules="rules" ref="ruleForm" label-width="100px" class="demo-ruleForm">
        <el-form-item label="用户名" prop="username">
          <el-input v-model="ruleForm.username"></el-input>
        </el-form-item>
        <el-form-item label="密码" prop="password">
          <el-input v-model="ruleForm.password"></el-input>
        </el-form-item>
        <el-form-item>
          <el-button type="primary" @click="submitForm('ruleForm')">登录</el-button>
          <el-button @click="resetForm('ruleForm')">重置</el-button>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>

<script>
export default {
  data() {
    return {
      // 表单
      ruleForm: {
        username: 'root',
        password: '123456'
      },
      // 表单规则
      rules: {
        username: [
          {required: true, message: '请输入用户名', trigger: 'blur'},
          {min: 4, max: 15, message: '长度在 4 到 15 个字符', trigger: 'blur'}
        ],
        password: [
          {required: true, message: '请输入密码', trigger: 'blur'},
          {min: 4, max: 15, message: '长度在 4 到 15 个字符', trigger: 'blur'}
        ]
      }
    };
  },
  methods: {
    // 提交表单
    submitForm(formName) {
      this.$refs[formName].validate((valid) => {
        if (valid) {
          // 暂不处理登录，直接跳转页面
          this.$router.push('/');
        }
      });
    },
    // 重置表单
    resetForm(formName) {
      this.$refs[formName].resetFields();
    }
  }
}
</script>

<style>
body {
  background: #2c3e50;
}
</style>